Needle Kit, 15 µL with Needle Seat and Needle Guid Back Catalog number: CTS-21287 Availability: In the manufacturer's stock Price on request - + Recommended CTS-0038 Tube, Right Inlet Pigtail Price on request 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request